Barometric Pressure in Jamestown, United States 
1025.8 hPa
14.9 ℃
79%
5.25 m/s
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The average pressure in Jamestown, Rhode Island, United States today is , which is considered normal. Pressure is trending falling.
Weather prediction: Rain at times, worse later
Rapid Pressure Changes
Rapid pressure changes detected in Jamestown, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Fall : ()
The daily total fluctuation in pressure in Jamestown is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Jamestown hour by hour across the next 6 hourly readings.
Jamestown has coastal weather with changing air pressure. Low-pressure systems bring storms, while high-pressure systems bring calm weather.
Air pressure drops as storms approach from the ocean.
The island's geography causes varying air pressure, with lower pressure near the coast.
In winter, high pressure brings cold and calm, while low pressure brings storms.
In summer, low pressure brings warm and humid weather, with possible thunderstorms.
Jamestown has a humid continental climate with maritime influences, causing pressure changes.
Seasonal changes cause pressure shifts, affecting weather.
Low pressure dominates spring and summer, while high pressure dominates fall and winter.